The _bad_protocol_once function in phpgwapi/inc/class.kses.inc.php in KSES, as used in eGroupWare before 1.4.003, Moodle before 1.8.5, and other products, allows remote attackers to bypass HTML filtering and conduct cross-site scripting (XSS) attacks via a string containing crafted URL protocols.
docs.moodle.org/en/Release_Notes#Moodle_1.8.5
lists.opensuse.org/opensuse-security-announce/2008-07/msg00006.html
secunia.com/advisories/29491
secunia.com/advisories/30073
secunia.com/advisories/30986
secunia.com/advisories/31017
secunia.com/advisories/31018
secunia.com/advisories/31167
secunia.com/advisories/32400
secunia.com/advisories/32446
www.debian.org/security/2008/dsa-1691
www.debian.org/security/2009/dsa-1871
www.egroupware.org/changelog
www.egroupware.org/viewvc/branches/1.4/phpgwapi/inc/class.kses.inc.php?r1=23625&r2=25110&pathrev=25110
www.gentoo.org/security/en/glsa/glsa-200805-04.xml
www.openwall.com/lists/oss-security/2008/07/08/14
www.securityfocus.com/bid/28424
www.vupen.com/english/advisories/2008/0989/references
exchange.xforce.ibmcloud.com/vulnerabilities/41435
usn.ubuntu.com/658-1/
www.redhat.com/archives/fedora-package-announce/2008-July/msg00331.html